Finding the Fourth Proportional to 136,730.24, 205,074.88 and 113,505.92
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Solution
The fourth proportional to 136,730.24, 205,074.88 and 113,505.92 is: 170,241.88
Step by Step Solution
- Step 1: Write the proportion equation
136,730.24 : 205,074.88 = 113,505.92 : x - Step 2: Convert to fraction form
136,730.24/205,074.88 = 113,505.92/x - Step 3: Cross multiply
136,730.24x = 205,074.88 × 113,505.92 - Step 4: Simplify right side
136,730.24x = 23,277,212,923.29 - Step 5: Solve for x
x = 23,277,212,923.29/136,730.24 - Step 6: Final answer
x = 170,241.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.